SM-T817 (No phone dial)

Hi...

I apologize for my lack of English. (From Turkey)

I want to ask something...
I have Tab S2 SM-T817 running 5.0.2 build LRX22G.T817JVU1AOG5 (LTE, HSPA+) (Rooted)

But unfortunately LTE DATA ONLY
No phone dialler feature...

How do I achieve this feature...

Thanks to all friends...